20298165

素因数分解:

$3^1\times 5^1\times {\mathrm{877}}^1\times {\mathrm{1543}}^1$

素因数の和:2428

約数の個数: 16

約数和(自身を含む): 32535168

約数和(自身を除く): 12237003

約数列:

[1, 3, 5, 15, 877, 1543, 2631, 4385, 4629, 7715, 13155, 23145, 1353211, 4059633, 6766055, 20298165]

約数ペア:

[(1, 20298165), (3, 6766055), (5, 4059633), (15, 1353211), (877, 23145), (1543, 13155), (2631, 7715), (4385, 4629)]